Missed clinic visits, or no-shows, are a significant resource drain on the Veterans Health Administration (VA).1 The VA reports that 15–18% of scheduled primary care appointments are not completed, costing an estimated half a billion dollars per year.2 While some social determinants of health (SDOH) are shown to influence clinic no-show rates in other populations, no prior work has explored their effect among Veterans. Focusing on a cohort that require frequent clinic visits, our goal was to assess the association of three SDOH with missed clinic visits among Veterans hospitalized for congestive heart failure (CHF).
From a national sample, we first identified all Veterans 65 and older who were hospitalized for hearth failure, then randomly selected 1500 hospitalized with a primary diagnosis of CHF in 2012. Based on previous work,3 three SDOH (lives alone, social support, and housing situation) were extracted and verified through chart abstraction by two reviewers. We determined the number of missed clinic visits (primary care, general internal medicine, geriatrics, and cardiology) in the year prior to admission. Missed clinic visits were then dichotomized into those with ≤ 1 and ≥ 2. We utilized a multivariate logistic regression model to examine the effect of the SDOH on missing ≥2 scheduled clinic appointments, adjusting for previously described confounders:4 age, race, the Charlson Comorbidity Index (CCI), mental health disorders, substance abuse, and other SDOH covariates.
Of the 1500 patients, 1282 (85%) had ≤ 1 missed clinic visit, while 218 (14%) had ≥ 2 missed clinic visits in the assessed year. Patients with ≥ 2 missed clinic visits had higher prevalence of all three SDOH compared with those with ≤ 1 and were more commonly black (34% vs. 14%), while rates of poor mental health (25% vs. 25%) and underlying comorbid conditions (CCI; 8.06 (±2.59) vs. 8.43 (±2.63)) were equally present in both groups (Table 1). In a multivariate analysis, living alone (OR 1.71, 95% CI 1.21-2.41), marginal housing (OR 6.93, 95% CI 2.88–17.38), and being black (OR 2.71, 95% CI 1.38–5.75) were significantly associated with having ≥2 missed clinic appointments. Higher age was associated with lower odds (OR 0.96, 95% CI 0.94–0.98) of having ≥ 2 missed clinic visits (Table 2).
We found that elderly Veterans with CHF who were black, lived alone, and were marginally housed had increased likelihood of missing ≥ 2 clinic visits above and beyond other factors, such as mental health and other comorbid conditions. Given the VA’s commitment to improving access to care, understanding which patient-level, non-clinical factors impact access outcomes remains important.
Missed clinic visits can have a significant effect on the health care system and on patient care. At the patient-level, the impact of missed clinic appointments on health is well known—with no-shows leading to interruptions in continuity of care and worsened health outcomes.5 At a health care systems level, no-shows lead to scheduling and operational inefficiencies and reduced clinic productivity.4
Studies have shown that missed clinic visits can be improved through a wide array of interventions, including the use of mail, telephone, and text reminders, and open access scheduling.6 To create interventions that target those most at risk to miss appointments, it is important to understand the non-clinical factors that predict no-shows. Properly identifying those at highest risk and focusing such interventions will allow for a targeted, efficient use of resources.
There are limitations to this study. First, we focused on SDOH that may not be routinely documented by providers, thus limiting the sensitivity of the administrative codes. To address this, we collected data on these measures for 1 year prior to hospitalization to increase the likelihood of capturing this information. Second, our cohort is limited to older Veterans with CHF and our findings may not be generalizable to other populations.
In total, these results suggest that within the VA, SDOH impact patients’ probability to miss clinic appointments independent of other factors. It is important that future work in this area consider scalable ways to expedite obtaining this information, either from the electronic health record or directly from the patient. Interventions and strategies for prevention tailored to Veterans with such SDOH may help improve missed clinic visit rates and subsequently improve delivery of care, while also reducing wasted time and clinical resources.
Access and Quality in VA Healthcare. https://www.accesstocare.va.gov/. Accessed March 5, 2019.
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Wray CM, Vali M, Abraham A, Zhang A, Walter LC, Keyhani S. Validation of Administrative Measures of Social and Behavioral Risk in Veterans Affairs Medical Records. J Gen Intern Med. January 2019. https://doi.org/10.1007/s11606-018-4792-0
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This work was supported by NHLBI R01 RO1 HL116522-01A1.
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Wray, C.M., Vali, M., Byers, A. et al. Examining the Association of Social Determinants of Health with Missed Clinic Visits in Patients with Heart Failure in the Veterans Health Administration. J GEN INTERN MED 35, 1591–1592 (2020). https://doi.org/10.1007/s11606-019-05507-4